#include <stdio.h>
#include <string.h>
int my_strcmp(const char* a, const char* b)
{
	if((unsigned char)*a- (unsigned char)*b==0 && *b)
	{
		*a++;
		*b++;
	}
		return a - b;
}
void print_ret(int ret)
{
	if (ret > 0)
	{
		printf("a>b\n");
	}
	else if (ret == 0)
	{
		printf("a==b\n");
	}
	else
	{
		printf("a<b\n");
	}
}
int main()
{
	char* a = "abcde";
	char* b = "abcde";
	int ret = my_strcmp(a, b);
	print_ret(ret);
	
	return 0;
 }